[1,0,2,3,4,5,7,6,8,9,11,10,13,12,14,15,16,17,19, 18,21,20,22,23,25,24,26,27,28,29,31,30,32,33,35, 34,37,36,38,39,41,40,42,43,44,45,47,46,49,48,50, 51,52,53,55,54,56,57,59,58,61,60,62,63,64,65,67, 66,69,68,70,71,73]